Sprockets for TPS/TPH/TTUP/TPU/TPUH-BO Series plastic Top Chain.
- Steel sprockets (plain bore)
- Steel Lock Series sprockets
- Engineering plastic sprockets
*Available for the chains in the following charts
- Sprockets for Top Chains
Sprockets for TPS/TPH/TTUP/TPU/TPUH-BO Chain
1. Line-up
Steel Sprockets
| Type | Solid Sprockets | |
|---|---|---|
| Type | Plain bore | Lock Series |
| Basic model no. | TTUP**T | TTUP**T-S |
| Applicable chains | TPS, TPS-P, TPH, TPH-P, TTUP, TTUP-P, TTUPH, TTUP-M, TTUPT-M, TPU, TPU-P, TPU-LH, TPUT-LH, TPUH-BO (some models can also be used with TPM or TPUM) | |
| Shape |
 |
 |
| Material | Machine-structural carbon steel | |
| Actual no. of teeth | -, 19, -, 21, -, 23, -, 25, - | |
| Effective no. of teeth | 9, 9-1/2, 10, 10-1/2, 11, 11-1/2, 12, 12-1/2, 13 | |
- Sprockets with an effective no. of teeth as 9-1/2 are made-to-order products.
- TPM/TPUM chain can only use sprockets with 10-1/2, 11-1/,2 and 12-1/2 teeth. Contact a Tsubaki representative regarding other numbers of teeth or for engineering plastic sprockets.
Engineering Plastic Sprockets
| Type | Split sprocket (Keyway specification: ISO 773 - DIN 6885 key seat) | |
|---|---|---|
| Basic model no. | TP-C**T-SPR | |
| Applicable chains | TPS, TPH, TTUP, TTUP-LLPC, TTUPH, TPU, TPU-LH, TPUT-LH, TPU-USR, TPUH-BO, TTUP-M, TTUPT-M, TP-880TAB | |
| Shape |
 |
|
| Material |
Body: Polyamide
Bolts: Stainless steel Nuts: Nickel plated brass |
|
| No. of teeth | 12 | |
- When assembling a pair of split sprockets, avoid mixing with the other pairs.
- Cannot be used with TPM/TPUM chains.
2．Model Numbering Example
Steel Sprockets
- (1) Type
- (2) Effective no. of teeth: (Ex.) 1012T = 10-1/2
- (3) Bore diameter: mm
Engineering Plastic Sprockets
- (1) Type
